it is perfectly alright to have both dispatcher and performer in RE frame work. we can have the dispatcher work flow in init state first run.
We have to consider some of the scenarios like where it will take huge amount of time to get the data by using dispatcher workflow. in some case like it will take 5 to 6 hours to get the input data from the application so we cannot wait those many hours to gather our input data instead of that we have to go the approach like maintain the dispatcher and performer in two different processes and we can connect both of them by using Queue triggers. in this case whenever we get the transaction from dispatcher queue it will automatically trigger the performer bot.
if the use case you mentioned is not fall under above scenario you could have dispatcher and performer in the same RE framework.
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